当 运行 在 Android Studio 中进行参数化单元测试时,未找到给定的测试包括错误

No tests found for given includes Error, when running Parameterized Unit test in Android Studio

我已经尝试在Android Studio中运行参数化单元测试,如下图:

import android.test.suitebuilder.annotation.SmallTest;  

import junit.framework.TestCase;    

import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameter;
import org.junit.runners.Parameterized.Parameters;  

import java.util.Arrays;
import java.util.Collection;    

@RunWith(Parameterized.class)
@SmallTest
public class FibonacciTest extends TestCase {
    @Parameters
    public static Collection<Object[]> data() {
        return Arrays.asList(new Object[][] {
                {0, 0}, {1, 1}, {2, 1}, {3, 2}, {4, 3}, {5, 5}, {6, 8}
        });
    }   

    @Parameter // first data value (0) is default
    public /* NOT private */ int fInput;    

    @Parameter(value = 1)
    public /* NOT private */ int fExpected; 

    @Test
    public void test() {
        assertEquals(fExpected, Fibonacci.calculate(fInput));
    }
}

结果是一个错误 No Test Run。但是,如果我删除参数化测试,并将它们更改为单独的测试,它就会起作用。

谁能解释一下为什么这不起作用? Android 开发中还不支持 Ar 参数化单元测试吗?

下面是堆栈跟踪错误:

FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':app:testDebug'.
> No tests found for given includes: [com.example.......FibonacciTest]
* Try:
Run with --info or --debug option to get more log output.
* Exception is:
org.gradle.api.tasks.TaskExecutionException: Execution failed for task ':app:testDebug'.
    at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:69)
    at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:46)
    at org.gradle.api.internal.tasks.execution.PostExecutionAnalysisTaskExecuter.execute(PostExecutionAnalysisTaskExecuter.java:35)
    at org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter.execute(SkipUpToDateTaskExecuter.java:64)
    at org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:58)
    at org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter.execute(SkipEmptySourceFilesTaskExecuter.java:42)
    at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:52)
    at org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:53)
    at org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter.execute(ExecuteAtMostOnceTaskExecuter.java:43)
    at org.gradle.api.internal.AbstractTask.executeWithoutThrowingTaskFailure(AbstractTask.java:310)
    at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.executeTask(AbstractTaskPlanExecutor.java:79)
    at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.processTask(AbstractTaskPlanExecutor.java:63)
    at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.run(AbstractTaskPlanExecutor.java:51)
    at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor.process(DefaultTaskPlanExecutor.java:23)
    at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter.execute(DefaultTaskGraphExecuter.java:88)
    at org.gradle.execution.SelectedTaskExecutionAction.execute(SelectedTaskExecutionAction.java:37)
    at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:62)
    at org.gradle.execution.DefaultBuildExecuter.access0(DefaultBuildExecuter.java:23)
    at org.gradle.execution.DefaultBuildExecuter.proceed(DefaultBuildExecuter.java:68)
    at org.gradle.execution.DryRunBuildExecutionAction.execute(DryRunBuildExecutionAction.java:32)
    at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:62)
    at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:55)
    at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:149)
    at org.gradle.initialization.DefaultGradleLauncher.doBuild(DefaultGradleLauncher.java:106)
    at org.gradle.initialization.DefaultGradleLauncher.run(DefaultGradleLauncher.java:86)
    at org.gradle.launcher.exec.InProcessBuildActionExecuter$DefaultBuildController.run(InProcessBuildActionExecuter.java:90)
    at org.gradle.tooling.internal.provider.runner.BuildModelActionRunner.run(BuildModelActionRunner.java:54)
    at org.gradle.launcher.exec.ChainingBuildActionRunner.run(ChainingBuildActionRunner.java:35)
    at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:41)
    at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:28)
    at org.gradle.launcher.daemon.server.exec.ExecuteBuild.doBuild(ExecuteBuild.java:49)
    at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36)
    at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
    at org.gradle.launcher.daemon.server.exec.WatchForDisconnection.execute(WatchForDisconnection.java:37)
    at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
    at org.gradle.launcher.daemon.server.exec.ResetDeprecationLogger.execute(ResetDeprecationLogger.java:26)
    at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
    at org.gradle.launcher.daemon.server.exec.RequestStopIfSingleUsedDaemon.execute(RequestStopIfSingleUsedDaemon.java:34)
    at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
    at org.gradle.launcher.daemon.server.exec.ForwardClientInput.call(ForwardClientInput.java:74)
    at org.gradle.launcher.daemon.server.exec.ForwardClientInput.call(ForwardClientInput.java:72)
    at org.gradle.util.Swapper.swap(Swapper.java:38)
    at org.gradle.launcher.daemon.server.exec.ForwardClientInput.execute(ForwardClientInput.java:72)
    at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
    at org.gradle.launcher.daemon.server.health.DaemonHealthTracker.execute(DaemonHealthTracker.java:47)
    at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
    at org.gradle.launcher.daemon.server.exec.LogToClient.doBuild(LogToClient.java:66)
    at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36)
    at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
    at org.gradle.launcher.daemon.server.exec.EstablishBuildEnvironment.doBuild(EstablishBuildEnvironment.java:71)
    at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36)
    at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
    at org.gradle.launcher.daemon.server.health.HintGCAfterBuild.execute(HintGCAfterBuild.java:41)
    at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
    at org.gradle.launcher.daemon.server.exec.StartBuildOrRespondWithBusy.run(StartBuildOrRespondWithBusy.java:50)
    at org.gradle.launcher.daemon.server.DaemonStateCoordinator.run(DaemonStateCoordinator.java:246)
    at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:54)
    at org.gradle.internal.concurrent.StoppableExecutorImpl.run(StoppableExecutorImpl.java:40)
Caused by: org.gradle.api.GradleException: No tests found for given includes: [com.example........FibonacciTest]
    at org.gradle.api.internal.tasks.testing.NoMatchingTestsReporter.afterSuite(NoMatchingTestsReporter.java:35)
    at org.gradle.messaging.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:35)
    at org.gradle.messaging.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
    at org.gradle.internal.event.BroadcastDispatch.dispatch(BroadcastDispatch.java:87)
    at org.gradle.internal.event.BroadcastDispatch.dispatch(BroadcastDispatch.java:31)
    at org.gradle.messaging.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:93)
    at com.sun.proxy.$Proxy46.afterSuite(Unknown Source)
    at org.gradle.api.internal.tasks.testing.results.TestListenerAdapter.completed(TestListenerAdapter.java:48)
    at org.gradle.messaging.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:35)
    at org.gradle.messaging.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
    at org.gradle.internal.event.BroadcastDispatch.dispatch(BroadcastDispatch.java:87)
    at org.gradle.internal.event.BroadcastDispatch.dispatch(BroadcastDispatch.java:31)
    at org.gradle.messaging.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:93)
    at com.sun.proxy.$Proxy45.completed(Unknown Source)
    at org.gradle.api.internal.tasks.testing.results.StateTrackingTestResultProcessor.completed(StateTrackingTestResultProcessor.java:69)
    at org.gradle.api.internal.tasks.testing.results.AttachParentTestResultProcessor.completed(AttachParentTestResultProcessor.java:52)
    at org.gradle.api.internal.tasks.testing.processors.TestMainAction.run(TestMainAction.java:51)
    at org.gradle.api.internal.tasks.testing.detection.DefaultTestExecuter.execute(DefaultTestExecuter.java:75)
    at org.gradle.api.tasks.testing.Test.executeTests(Test.java:527)
    at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:75)
    at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.doExecute(AnnotationProcessingTaskFactory.java:226)
    at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.execute(AnnotationProcessingTaskFactory.java:219)
    at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.execute(AnnotationProcessingTaskFactory.java:208)
    at org.gradle.api.internal.AbstractTask$TaskActionWrapper.execute(AbstractTask.java:589)
    at org.gradle.api.internal.AbstractTask$TaskActionWrapper.execute(AbstractTask.java:572)
    at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeAction(ExecuteActionsTaskExecuter.java:80)
    at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:61)
    ... 57 more
BUILD FAILED
Total time: 4.153 secs
No tests found for given includes: [com.example......FibonacciTest]

找到了 运行 在 Android Studio 中进行测试的方法。显然 运行 使用 Gradle 配置不会执行任何测试。相反,我使用 JUnit 配置。这样做的简单方法是转到 Select 你的测试 Class 到 运行 并右键单击。然后选择 运行。之后您会看到 2 运行 个选项。 Select 最下面的一个 (JUnit),如图所示

(注意:如果找不到2 运行 Configuration to select,您需要先删除之前使用的Configuration (Gradle Configuration)。这样可以通过单击顶部工具栏中的“Select Run/Debug 配置”图标来完成。

添加到您的build.gradle:

test {
    useJUnitPlatform()
}

要添加到 Przemek315 提供的已经很棒且简单的解决方案中,如果您使用 Kotlin DSL,请使用相同的配置:

tasks.test {
    useJUnitPlatform()
}

如果您使用的是 JUnit 5+,请确保从正确的库中导入 @Test 注释:

import org.junit.jupiter.api.Test

没有

import org.junit.Test

我正在使用 JUnit 4,对我有用的是将 'Gradle -> Run Tests Using' 的 IntelliJ 设置从 'Gradle (default)' 更改为 'IntelliJ IDEA'。

我的修复来源:https://linked2ev.github.io/devsub/2019/09/30/Intellij-junit4-gradle-issue/

如果您正在使用 intellij 并想使用 gradle,您需要将其添加到 build.gradle 文件的依赖项部分:

testImplementation("org.junit.jupiter:junit-jupiter-api:5.4.2")
testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:5.4.2")

对我来说,错误信息的原因

No tests found for given includes

无意中在我的 src/test/kotlin 测试目录下添加了一个 .java 测试文件。将文件移动到正确的目录后,src/test/java,测试再次按预期执行。

我也遇到了同样的问题。在我的例子中,我将 JUnit 5 与 gradle 6.6 一起使用。我在单独的文件夹调用 integ 中管理集成 test-cases。我必须在 build.gradle 文件中定义一个新任务,并在添加第一行后 -> useJUnitPlatform() ,我的问题就解决了

Kotlin DSL:添加到您的 build.gradle.kts

tasks.withType<Test> {
        useJUnitPlatform()
}

Gradle DSL:添加到您的build.gradle

test {
    useJUnitPlatform()
}

您可以检查您的方法是否是私有的。花了很多时间来修复这个愚蠢的错误...

在我的例子中,由于 Junit 的 运行time 错误,我收到此消息,这在 gradle 测试任务执行的输出中根本不可见。我 运行 喜欢这个有几个原因:

  1. org.junit.platform:junit-platform-launcher 依赖项包含在与我使用的 junit 版本不匹配的版本中
  2. META-INF/services 中有一个 Junit 测试侦听器的条目,我已将其注释掉

您可以尝试 re-running 和 --debug 并搜索 FAILEDorg.gradle.api.internal.tasks.testing.TestSuiteExecutionException。在我的第二种情况下,例外情况是:

2020-10-20T11:34:26.517-0700 [DEBUG] [TestEventLogger]
2020-10-20T11:34:26.517-0700 [DEBUG] [TestEventLogger] Gradle Test Executor 1 STARTED
2020-10-20T11:34:26.661-0700 [DEBUG] [TestEventLogger]
2020-10-20T11:34:26.662-0700 [DEBUG] [TestEventLogger] Gradle Test Executor 1 FAILED
2020-10-20T11:34:26.662-0700 [DEBUG] [TestEventLogger]     org.gradle.api.internal.tasks.testing.TestSuiteExecutionException: Could not complete execution for Gradle Test Executor 1.
2020-10-20T11:34:26.662-0700 [DEBUG] [TestEventLogger]         at org.gradle.api.internal.tasks.testing.SuiteTestClassProcessor.stop(SuiteTestClassProcessor.java:63)
2020-10-20T11:34:26.662-0700 [DEBUG] [TestEventLogger]         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2020-10-20T11:34:26.662-0700 [DEBUG] [TestEventLogger]         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
2020-10-20T11:34:26.662-0700 [DEBUG] [TestEventLogger]         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
2020-10-20T11:34:26.662-0700 [DEBUG] [TestEventLogger]         at java.lang.reflect.Method.invoke(Method.java:498)
2020-10-20T11:34:26.662-0700 [DEBUG] [TestEventLogger]         at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:36)
2020-10-20T11:34:26.662-0700 [DEBUG] [TestEventLogger]         at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
2020-10-20T11:34:26.662-0700 [DEBUG] [TestEventLogger]         at org.gradle.internal.dispatch.ContextClassLoaderDispatch.dispatch(ContextClassLoaderDispatch.java:33)
2020-10-20T11:34:26.662-0700 [DEBUG] [TestEventLogger]         at org.gradle.internal.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:94)
2020-10-20T11:34:26.662-0700 [DEBUG] [TestEventLogger]         at com.sun.proxy.$Proxy2.stop(Unknown Source)
2020-10-20T11:34:26.662-0700 [DEBUG] [TestEventLogger]         at org.gradle.api.internal.tasks.testing.worker.TestWorker.stop(TestWorker.java:132)
2020-10-20T11:34:26.663-0700 [DEBUG] [TestEventLogger]         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2020-10-20T11:34:26.663-0700 [DEBUG] [TestEventLogger]         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
2020-10-20T11:34:26.663-0700 [DEBUG] [TestEventLogger]         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
2020-10-20T11:34:26.663-0700 [DEBUG] [TestEventLogger]         at java.lang.reflect.Method.invoke(Method.java:498)
2020-10-20T11:34:26.663-0700 [DEBUG] [TestEventLogger]         at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:36)
2020-10-20T11:34:26.663-0700 [DEBUG] [TestEventLogger]         at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
2020-10-20T11:34:26.663-0700 [DEBUG] [TestEventLogger]         at org.gradle.internal.remote.internal.hub.MessageHubBackedObjectConnection$DispatchWrapper.dispatch(MessageHubBackedObjectConnection.java:182)
2020-10-20T11:34:26.663-0700 [DEBUG] [TestEventLogger]         at org.gradle.internal.remote.internal.hub.MessageHubBackedObjectConnection$DispatchWrapper.dispatch(MessageHubBackedObjectConnection.java:164)
2020-10-20T11:34:26.663-0700 [DEBUG] [TestEventLogger]         at org.gradle.internal.remote.internal.hub.MessageHub$Handler.run(MessageHub.java:413)
2020-10-20T11:34:26.663-0700 [DEBUG] [TestEventLogger]         at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:64)
2020-10-20T11:34:26.663-0700 [DEBUG] [TestEventLogger]         at org.gradle.internal.concurrent.ManagedExecutorImpl.run(ManagedExecutorImpl.java:48)
2020-10-20T11:34:26.663-0700 [DEBUG] [TestEventLogger]         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
2020-10-20T11:34:26.663-0700 [DEBUG] [TestEventLogger]         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
2020-10-20T11:34:26.663-0700 [DEBUG] [TestEventLogger]         at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:56)
2020-10-20T11:34:26.663-0700 [DEBUG] [TestEventLogger]         at java.lang.Thread.run(Thread.java:748)
2020-10-20T11:34:26.663-0700 [DEBUG] [TestEventLogger]
2020-10-20T11:34:26.664-0700 [DEBUG] [TestEventLogger]         Caused by:
2020-10-20T11:34:26.664-0700 [DEBUG] [TestEventLogger]         java.util.ServiceConfigurationError: org.junit.platform.launcher.TestExecutionListener: Provider com.example.myproject.MyCommentedOutClass not found
2020-10-20T11:34:26.664-0700 [DEBUG] [TestEventLogger]             at java.util.ServiceLoader.fail(ServiceLoader.java:239)
2020-10-20T11:34:26.664-0700 [DEBUG] [TestEventLogger]             at java.util.ServiceLoader.access0(ServiceLoader.java:185)
2020-10-20T11:34:26.664-0700 [DEBUG] [TestEventLogger]             at java.util.ServiceLoader$LazyIterator.nextService(ServiceLoader.java:372)
2020-10-20T11:34:26.664-0700 [DEBUG] [TestEventLogger]             at java.util.ServiceLoader$LazyIterator.next(ServiceLoader.java:404)
2020-10-20T11:34:26.664-0700 [DEBUG] [TestEventLogger]             at java.util.ServiceLoader.next(ServiceLoader.java:480)
2020-10-20T11:34:26.664-0700 [DEBUG] [TestEventLogger]             at java.lang.Iterable.forEach(Iterable.java:74)
2020-10-20T11:34:26.664-0700 [DEBUG] [TestEventLogger]             at org.junit.platform.launcher.core.LauncherFactory.create(LauncherFactory.java:94)
2020-10-20T11:34:26.664-0700 [DEBUG] [TestEventLogger]             at org.junit.platform.launcher.core.LauncherFactory.create(LauncherFactory.java:67)
2020-10-20T11:34:26.664-0700 [DEBUG] [TestEventLogger]             at org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor$CollectAllTestClassesExecutor.processAllTestClasses(JUnitPlatformTestClassProcessor.java:97)
2020-10-20T11:34:26.664-0700 [DEBUG] [TestEventLogger]             at org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor$CollectAllTestClassesExecutor.access[=10=]0(JUnitPlatformTestClassProcessor.java:79)
2020-10-20T11:34:26.664-0700 [DEBUG] [TestEventLogger]             at org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor.stop(JUnitPlatformTestClassProcessor.java:75)
2020-10-20T11:34:26.664-0700 [DEBUG] [TestEventLogger]             at org.gradle.api.internal.tasks.testing.SuiteTestClassProcessor.stop(SuiteTestClassProcessor.java:61)
2020-10-20T11:34:26.664-0700 [DEBUG] [TestEventLogger]             ... 25 more

请注意,这些是 DEBUG 日志。 --info

我没有看到任何有用的信息

我使用 @Test 包的 org.junit.Test 注释,但我遇到了同样的问题。在 build.gradle 上添加 testImplementation("org.assertj:assertj-core:3.10.0") 后,它起作用了。

当我使用 junit5 时,它可以正常工作。但是每次执行 gradle --clean 时,我都会得到 Class not found 错误。然后我将它添加到 build.gradle 来解决我的问题,我仍然可以使用 junit4:

test {
}

步骤:

  1. 在build.gralde
    中添加平台运行器 => testCompile 组:'org.junit.platform',名称:'junit-platform-runner',版本:'1.7.0'
  2. 使用@RunWith 注释测试class => @RunWith(JunitPlatform.class)

就我而言,问题发生在使用 Kotlin 编写并使用 IDEA 2020.3 时。尽管 build.gradle.kts 中有正确的条目。原来问题出在通过IDEA IDE (Alt + Insert)生成测试函数的时候。它生成以下代码:

@Test
   internal fun name () {
     TODO ("Not yet implemented")
   }

删除“内部”修饰符后问题将得到解决:

@Test
   fun name () {
     TODO ("Not yet implemented")
   }

对我来说,当我添加 @EnableJUnit4MigrationSupport class 注释时它起作用了。

(当然连同已经提到的 gradle 库和设置)

我错误地定义了我的测试

class MyTest {
    @Test
    fun `test name`() = runBlocking {


        // something here that isn't Unit
    }
}

这导致 runBlocking 返回了一些东西,这意味着该方法不是无效的,junit 没有将其识别为测试。那太蹩脚了。我现在明确地为 运行 阻塞提供了一个类型参数。它不会停止疼痛或让我回到两个小时,但它会确保这种情况不会再次发生。

class MyTest {
    @Test
    fun `test name`() = runBlocking<Unit> { // Specify Unit


        // something here that isn't Unit
    }
}

允许 运行 通过命令或 UI.

使用 Intellij IDEA 测试所有子模块
subprojects {
    withType<Test> {
        useJUnitPlatform()
    }
}

对于 JUnit 5,我们应该使用 import org.junit.jupiter.api.Test 并且还应该使用 @ExtendWith 而不是 @RunWith

它有助于添加:测试{useJUnitPlatform()} 但你还需要最近的 springBootVersion 对我来说它适用于'2.4.5'

我需要添加 robolectric 依赖项来解决这个问题。

加入build.gradle,

test {
    useJUnitPlatform()
}

并使用 class org.junit.jupiter.api.Test 用于 @Test , 而不是 org.junit.Test

我用的是私有方法。将访问修饰符更改为 public 对我有帮助。

添加

test {
    useJUnitPlatform()
}

到顶层给了我错误“> 找不到参数的方法 test()”。相反,我不得不将它添加到 android

内的 testOptions
android {
    ...

    testOptions {
        unitTests.all {
            useJUnitPlatform()
        }
    }
}

我的设置是 Android Studio,Junit 4,使用 robolectric 进行测试。

问题是我将此 noverify 设置添加到应用程序级别 build.gradle 以尝试解决 Android Studio 运行 中的 Java.lang.VerifyError: Bad return type 代码覆盖测试. (https://github.com/robolectric/robolectric/issues/3023)

删除它可以解决问题。

我在 gradle 构建依赖列表中添加了一个字符串:

dependencies {
    implementation("org.junit.jupiter:junit-jupiter-params:5.8.0")
    testImplementation(kotlin("test"))
}

重建 gradle 一切正常。

并记得添加测试文件:

import org.junit.jupiter.params.ParameterizedTest

我最近遇到了这个问题,在深入研究之后,我发现我正在使用 junit 库中的 @Test 注释。但是,我的 build.gradle 文件声明了另一个测试库。

因此,当我使用 build.gradle 中存在的 测试库 中的 @Test 注释时,它就起作用了。

对于遇到错误的任何人:Expression 'test' cannot be invoked as a function 在添加建议的解决方案时,请改为尝试

tasks.withType<Test> {
    useJUnitPlatform()
}

在 2021 年使用 KMM 设置。

只是添加...也许会帮助其他人...

在我的例子中,这个问题的发生是因为单元测试的命名空间中的大小写差异。一个字母是大写而不是小写(camelCase 而不是 camelcase)。

就我而言,我是 运行 我在 Intellij 中的测试 class 并且看到了 No tests were found。我已将我的测试方法标记为 static - 删除它解决了我的问题。

在 Kotlin 中编写 @ParameterizedTest 方法,我不得不在我的 build.gradle 文件中添加以下依赖项:

dependencies {
   testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.8.1'
}

显然,JUnit 5 将单元测试 API 和运行时引擎分开,您需要将两者都包括在内才能进行单元测试。

以防万一这对任何人有帮助,我在 IntelliJ 上发生过这种情况,情况是,测试之前一直在使用 Gradle 但突然间,第二天一些测试停止工作并出现此错误。

我所做的是:

  1. 转到首选项 -> 构建、执行、部署 -> Gradle -> 将“运行 测试使用”更改为“IntelliJ IDEA”。
  2. 运行 你的测试。
  3. 再次转到首选项 -> 构建、执行、部署 -> Gradle -> 将“运行 测试使用”更改为“Gradle(默认)”。
  4. 保持 运行 你的测试,它现在正在运行。

这样做,我避免了更改本地配置或更改项目中的 Gradle 个文件。

难以置信,但我遇到的问题是我为测试用例创建的包名称错误。它不应该以大写字母开头。例如,这些情况是不正确的: “包裹名字” “包裹名字” “包名”